It was not a new event, neither was it a rare event. It had happened before, and it would happen again. But while the event that transpired was not new or a rare, the thing it spawned, would bring a new challenge to the world’s adventures. Because this was the birth of a new dungeon.     Cover: https://www.maxpixel.net/Fantasy-Character-Myth-Monsters-Cave-Creature-2706135